Refill head for a toothbrush



FIG. 1 is a perspective view of the refill head for the toothbrush;

FIG. 2 is a left side view of the refill head for the toothbrush;

FIG. 3 is a top plan view of the refill head for the toothbrush;

FIG. 4 is a right side view of the refill head for the toothbrush; and,

FIG. 5 is a bottom plan view of the refill head for the toothbrush.

The broken line showing of refill head structure is for illustrativepurposes and forms no part of the claimed design.

The ornamental design for a refill head for a toothbrush, as shown anddescribed.